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| -rw-r--r-- | pod/perlhacktips.pod | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/pod/perlhacktips.pod b/pod/perlhacktips.pod index 2f19c04b83..ccc38ad89f 100644 --- a/pod/perlhacktips.pod +++ b/pod/perlhacktips.pod @@ -1073,7 +1073,23 @@ heap memory accesses. As of version 3.3.0, Valgrind only supports Linux on x86, x86-64 and PowerPC and Darwin (OS X) on x86 and x86-64). The special "test.valgrind" target can be used to run the tests under valgrind. Found errors and memory leaks are logged in files named -F<testfile.valgrind>. +F<testfile.valgrind> and by default output is displayed inline. + +Example usage: + + make test.valgrind + +Since valgrind adds significant overhead, tests will take much longer to +run. The valgrind tests support being run in parallel to help with this: + + TEST_JOBS=9 make test.valgrind + +Note that the above two invocations will be very verbose as reachable +memory and leak-checking is enabled by default. If you want to just see +pure errors, try: + + VG_OPTS='-q --leak-check=no --show-reachable=no' TEST_JOBS=9 \ + make test.valgrind Valgrind also provides a cachegrind tool, invoked on perl as: |